Patents by Inventor Donald R. Keddell

Donald R. Keddell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Portable welding wire feeder and housing
    Patent number: 6479795
    Abstract: A modular portable welding wire feeder housed in an instrument case and a method of modifying an instrument case to house a welding wire feeder are disclosed. The modular portable wire feeder includes a chassis assembly conveniently mounted inside of the instrument case housing. The instrument case includes welding input interfaces disposed to receive welding inputs and welding output interfaces disposed to provide welding outputs.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: November 12, 2002
    Assignee: Illinois Tool Works Inc.
    Inventors: Bruce P. Albrecht, Donald R. Keddell, Richard J. Schuh